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    • 2. 发明申请
    • TECHNIQUES FOR ACCOMMODATING PRIMARY CONTENT (PURE VOICE) AUDIO AND SECONDARY CONTENT REMAINING AUDIO CAPABILITY IN THE DIGITAL AUDIO PRODUCTION PROCESS
    • 适用于数字音频制作过程中的主要内容(纯音)音频和二级内容的技术仍然具有音频能力
    • US20080059160A1
    • 2008-03-06
    • US11849934
    • 2007-09-04
    • William SaundersMichael Vaudrey
    • William SaundersMichael Vaudrey
    • G10L19/14
    • H04S3/00G09B5/04G10L2021/0575G11B20/00007G11B20/00992G11B20/10527G11B27/034G11B2020/00036G11B2020/10546G11B2020/10592G11B2020/10601
    • The invention enables the inclusion of voice and remaining audio information at different parts of the audio production process. In particular, the invention embodies special techniques for VRA-capable digital mastering, accommodation of PCPV/PCA and/or SCRA signals in audio CODECs, VRA-capable encoders and decoders, and VRA in DVD and other digital audio file formats. The invention facilitates an end-listener's voice-to-remaining audio (VRA) adjustment upon the playback of digital audio media formats by focusing on new configurations of multiple parts of the entire digital audio system, thereby enabling a new technique intended to benefit audio end-users (end-listeners) who wish to control the ratio of the primary vocal/dialog content of an audio program relative to the remaining portion of the audio content in that program. The invention facilitates storage of VRA audio programs on optical storage media, authoring systems for VRA-capable DVDs, playback hardware integrated into VRA-capable optical disc apparatus, and VRA playback hardware for use with non-VRA capable optical disc playback apparatus.
    • 本发明能够在音频制作过程的不同部分包括语音和剩余音频信息。 特别地,本发明体现了用于具有VRA能力的数字母带,在音频CODEC中调节PCPV / PCA和/或SCRA信号,具有VRA能力的编码器和解码器以及DVD和其它数字音频文件格式的VRA的特殊技术。 本发明通过专注于整个数字音频系统的多个部分的新配置,便于在数字音频媒体格式的重放时实现终端听众的语音到剩余音频(VRA)调整,从而实现了旨在使音频结束受益的新技术 - 用户(终端听众)希望控制音频节目的主要声乐/对话内容相对于该节目中的音频内容的剩余部分的比例。 本发明有助于VRA音频节目存储在光学存储介质上,用于支持VRA的DVD的创作系统,集成到具有VRA功能的光盘装置中的重放硬件以及与非VRA能力的光盘播放装置一起使用的VRA重放硬件。
    • 9. 发明申请
    • Noise canceling microphone system and method for designing the same
    • 降噪麦克风系统及其设计方法
    • US20050031136A1
    • 2005-02-10
    • US10928895
    • 2004-08-27
    • Yu DuMichael Vaudrey
    • Yu DuMichael Vaudrey
    • H04R3/00H04R1/02
    • H04R3/005H04R2410/05
    • A microphone housing improves the broadband noise canceling performance of an active noise canceling microphone system while also ensuring improved speech transmission through the system. First and second microphone elements are selected each having a diameter “d” and a thickness “t”. The two microphone elements are aligned axially with the back surfaces in contact and secured in an axially aligned cylindrical cavity within a cylindrically shaped housing. The cylindrically shaped housing has an outside diameter “D,” an interior cavity of diameter of “d,” and a height “2t”. The housing is exposed to an environment comprising both speech and noise. The first microphone element is adapted to receive a signal having both voice and noise components, while the second microphone element is adapted to receive a signal that is predominantly noise. A controller processes signals from the first microphone element and the second microphone element. The values of D and d are selected so to obtain a ratio of D over d between 1 and about 2.4 or a near field power difference of the first microphone signal and the second microphone signal between 8 dB and 11 dB. In the event the near field power difference is more than 11 dB, the outside diameter of the microphone housing “D” is reduced. In the event the near field power difference is less than 8 dB, the outside diameter of the microphone housing “D” is increased.
    • 麦克风外壳提高了主动噪声消除麦克风系统的宽带噪声消除性能,同时还确保了通过系统改进的语音传输。 选择第一和第二麦克风元件,每个具有直径“d”和厚度“t”。 两个麦克风元件与接触的后表面轴向对准并固定在圆柱形壳体内的轴向对齐的圆柱形腔中。 圆柱形壳体具有外径“D”,直径为“d”的内腔和高度“2t”。 外壳暴露在包括语音和噪音的环境中。 第一麦克风元件适于接收具有语音和噪声分量的信号,而第二麦克风元件适于接收主要是噪声的信号。 控制器处理来自第一麦克风元件和第二麦克风元件的信号。 选择D和d的值以获得D与d之间的比值在1至约2.4之间,或者第一麦克风信号和第二麦克风信号的近场功率差在8dB和11dB之间。 在近场功率差大于11dB的情况下,麦克风壳体“D”的外径减小。 在近场功率差小于8dB的情况下,麦克风壳体“D”的外径增加。